บุญอารีย์ ช. 5 Stars service : How to deliver exceptional customer service. Journal of Information Science Research and Practice , [S. l.], v. 29, n. 2, p. 87–92, 2013. Disponível em: https://so03.tci-thaijo.org/index.php/jiskku/article/view/6106. Acesso em: 27 apr. 2024.